Home / 6,223.92-8,589.60-3,571.92

Finding the Fourth Proportional to 6,223.92, 8,589.60 and 3,571.92

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Solution

The fourth proportional to 6,223.92, 8,589.60 and 3,571.92 is: 4,929.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,223.92 : 8,589.60 = 3,571.92 : x
  2. Step 2: Convert to fraction form
    6,223.92/8,589.60 = 3,571.92/x
  3. Step 3: Cross multiply
    6,223.92x = 8,589.60 × 3,571.92
  4. Step 4: Simplify right side
    6,223.92x = 30,681,364.03
  5. Step 5: Solve for x
    x = 30,681,364.03/6,223.92
  6. Step 6: Final answer
    x = 4,929.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.